Method and apparatus for encouraging return of shopping carts

作者: Robert M Smith

DOI:

关键词: Light sourceComputer hardwareDetectorPickupEngineering

摘要: A method and apparatus for encouraging return of shopping carts to the store including a detector dispenser triggered by cart belonging store, device having first photocell light source which is sensitive reflective indicia mounted on store. The coupled an ejector mechanism ejects reward medium, such as game contest piece, pickup station. piece at station interrupts beam trained second thereby disable until manually removed from may be colored filter interposed before photocell.